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Missile Detecting Satellite Launched by US Space Force

On Tuesday, the United States Space Force deployed a billion-dollar missile-warning satellite into orbit. The United Launch Alliance (ULA) Atlas 5 rocket, carrying two small rideshare payloads, lifted off from Florida’s Cape Canaveral Space Force Station at 1:37 p.m. ET after a 24-hour delay due to a defective temperature sensor in ground equipment. A Russian-built RD-180 main engine and strap-on solid-fuel boosters powered the rocket.

ULA announced in a tweet, “Separation confirmed! The United Launch Alliance #AtlasV rocket has deployed the fifth Space Based Infrared System Geosynchronous Earth Orbit (#SBIRSGEO5) satellite to save lives through early warning missile detection.”

The launch, which took about 10 minutes and 45 seconds, was the fifth in a sequence of space-based infrared system satellites designed to replace the Defense Support Program constellation of surveillance satellites. It was also the 87th launch of the 194-foot-tall Atlas V rocket from Space Launch Complex-41 and the 72nd Atlas V launch.

TDO-3 and TDO-4, the spacecraft’s “Technology Demonstration Orbiter” payloads, were successfully deployed and released from the 950,000-pound Centaur upper stage about 16 and a half minutes after liftoff, according to Space News. The satellite separated and deployed to a geosynchronous transfer orbit nearly 43 minutes after takeoff.

A geosynchronous orbit is a high Earth orbit that requires satellites to align with the Earth’s rotation. Lockheed Martin was given a $1.86 billion contract for the upgraded satellite and an agreement for a satellite launch in 2022. Both satellites will be launched into orbit at the height of 22,300 miles. According to Space flight Now, the “SBIRS” GEO 5 satellite’s infrared payloads will be able to detect heat from missile exhaust anywhere on the planet.

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